Vidu Q1 Reference-to-Video API by Vidu

Vidu Q1 Reference-to-Video

Vidu Q1 Reference-to-Video is an efficient AI video generation model that generates video featuring specific subjects. Provide subject images alongside a motion prompt, and the model generates a 5-second 1080p video that faithfully preserves each subject's appearance, style, and identity — fast and at an accessible price point.

Why Choose This?

• Fast generation Optimized for quick turnaround with minimal wait time.

• Subject-driven generation Feature specific characters or objects with consistent appearance across the generated video.

• 1080p output Generate videos in full 1080p high definition quality.

• 5-second videos Produces crisp, fixed-length 5-second videos ready to share.

• Audio generation Optional audio with configurable type: full audio, speech only, or sound effects only.

• Prompt Enhancer Built-in tool to automatically improve your motion descriptions.

Parameters

How to Use

1. Upload your subject images — provide one or more images of the subjects to feature in the video.
2. Write your prompt — describe the motion, camera movement, and desired action.
3. Configure audio (optional) — enable audio and select the audio type: all, speech_only, or sound_effect_only.
4. Set motion intensity (optional) — adjust movement_amplitude for subtle or dynamic animations.
5. Run — submit and download your video.

Pricing

Best Use Cases

• Character Consistency — Generate video featuring a specific character or subject across scenes.
• Product Videos — Animate product photos while preserving brand appearance.
• Style-Consistent Content — Produce video that matches the visual aesthetic of existing assets.
• Social Media Content — Create engaging animated clips based on your existing image library.
• Rapid Prototyping — Quickly explore reference-guided video concepts before committing to higher-quality generation.

Pro Tips

• Use the Prompt Enhancer to refine your motion descriptions.
• Provide clear, well-lit subject images for the most consistent visual output.
• Be specific about movement direction, speed, and camera angles in your prompt.
• Use multiple subject images when the scene involves more than one character or object.
• Set audio_type to speech_only when the scene involves dialogue, or sound_effect_only for purely ambient audio.
• Describe environmental elements (lighting, background) in the prompt to guide the scene composition.

Notes

• Both prompt and subjects are required fields.
• Video duration is fixed at 5 seconds.
• When generate_audio is true, audio_type controls what is generated: all includes speech and sound effects, speech_only generates voice audio, sound_effect_only generates ambient and environmental sounds.
• Ensure uploaded subject image URLs are publicly accessible.

Related Models

• Vidu Q1 Image-to-Video — Animate a single reference image with text-guided motion.
• Vidu Q2-Pro-Fast Reference-to-Video — Higher quality reference-to-video with adjustable duration and resolution.